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1 /* |
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2 * Copyright 1999-2007 Sun Microsystems, Inc. All Rights Reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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20 * CA 95054 USA or visit www.sun.com if you need additional information or |
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21 * have any questions. |
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22 * |
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23 */ |
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24 |
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25 /////////////////////////////////////////////////////////////// |
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26 // |
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27 // class JvmtiTrace |
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28 // |
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29 // Support for JVMTI tracing code |
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30 // |
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31 |
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32 // Support tracing except in product build on the client compiler |
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33 #ifndef PRODUCT |
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34 #define JVMTI_TRACE 1 |
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35 #else |
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36 #ifdef COMPILER2 |
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37 #define JVMTI_TRACE 1 |
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38 #endif |
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39 #endif |
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40 |
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41 #ifdef JVMTI_TRACE |
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42 |
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43 class JvmtiTrace : AllStatic { |
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44 |
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45 static bool _initialized; |
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46 static bool _on; |
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47 static bool _trace_event_controller; |
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48 static jbyte _trace_flags[]; |
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49 static jbyte _event_trace_flags[]; |
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50 static const char* _event_names[]; |
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51 static jint _max_function_index; |
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52 static jint _max_event_index; |
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53 static short _exclude_functions[]; |
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54 static const char* _function_names[]; |
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55 |
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56 public: |
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57 |
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58 enum { |
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59 SHOW_IN = 01, |
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60 SHOW_OUT = 02, |
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61 SHOW_ERROR = 04, |
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62 SHOW_IN_DETAIL = 010, |
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63 SHOW_OUT_DETAIL = 020, |
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64 SHOW_EVENT_TRIGGER = 040, |
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65 SHOW_EVENT_SENT = 0100 |
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66 }; |
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67 |
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68 static bool tracing() { return _on; } |
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69 static bool trace_event_controller() { return _trace_event_controller; } |
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70 static jbyte trace_flags(int num) { return _trace_flags[num]; } |
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71 static jbyte event_trace_flags(int num) { return _event_trace_flags[num]; } |
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72 static const char* function_name(int num) { return _function_names[num]; } // To Do: add range checking |
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73 |
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74 static const char* event_name(int num) { |
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75 static char* ext_event_name = (char*)"(extension event)"; |
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76 if (num >= JVMTI_MIN_EVENT_TYPE_VAL && num <= JVMTI_MAX_EVENT_TYPE_VAL) { |
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77 return _event_names[num]; |
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78 } else { |
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79 return ext_event_name; |
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80 } |
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81 } |
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82 |
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83 static const char* enum_name(const char** names, const jint* values, jint value); |
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84 |
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85 static void initialize(); |
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86 static void shutdown(); |
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87 |
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88 // return a valid string no matter what state the thread is in |
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89 static const char *safe_get_thread_name(Thread *thread); |
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90 |
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91 // return the name of the current thread |
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92 static const char *safe_get_current_thread_name(); |
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93 |
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94 // return a valid string no matter what the state of k_mirror |
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95 static const char *get_class_name(oop k_mirror); |
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96 }; |
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97 |
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98 #endif /*JVMTI_TRACE */ |